InChI=1/C18H17N5O4/c1-24-12-7-6-10(15(25-2)16(12)26-3)11-9-14-21-17(13-5-4-8-27-13)22-23(14)18(19)20-11/h4-9H,1-3H3,(H2,19,20)/f/h19H2 66CD14EF713102CD